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Thread: Android: Off Line Maps
08-21-10, 08:58 PM #1
Android: Off Line Maps
One of the greatest features of the Android phone is access to Google Maps. It works by using your data connection to download maps and information based upon your GPS coordinates.
What if you want to do a little back country hiking trip? No cell coverage= No Google Maps.
OruxMaps gives you a way to download maps and store them on your phone. OruxMaps provides features for tracking your GPS tracks, setting waypoints, and making sure you stay on the right path. You can also use water navigation and FAA flight maps.
OruxMaps doesn't provide the maps but it will work with Mobile Atlas Creator 1.8. Download that for your PC here: Browse Mobile Atlas Creator Files on SourceForge.net
Once you get mobac extracted, go ahead and run it. You can select a map source from a number of different locations. I'm using Google Terrain maps but there are all kinds available. Select the area of the map you want to work with and click on "Select Entered Coordinates."
Next you need to select zoom levels. This will allow you to move through several zoom levels on the map. The more zoom levels you select, the more maps will be stored on your phone. You can rack up gigabytes of data very quickly. I've found three different levels works well for me and I skip a few in between (I'm using 15, 13, and 11.)
Name your atlas and then select your output format, in this case, OruxMaps. Create the Atlas and let your PC process it. The output files are placed in a directory (click on "Open Atlas Folder") and you need to copy the contents to your Android phone.
Make sure you have installed OruxMaps on your phone and start it. It will automatically create the directories on your SD card. Place your mobac atlas in the maps directory on your SD card. When you start up OruxMaps you can "Browse Maps" and see your off line maps stored on your SD card. OruxMaps has an online mode if you are in range of cell service too.
Keep in mind that when your phone is not in range of cell service it tries hard to find it and will drain your battery fast. Put your phone in Airplane Mode to shut down all radio communication and save your battery. Your off line maps will still work because they are stored locally.
Another big battery drain is your screen. If you go hiking with this phone in your hand watching your progress, you will drain the battery quickly. OruxMaps can alert you if you stray from your planned route. Keep it in your pocket and check it periodically for navigation, but enjoy your surroundings and don't worry about watching it.Pleasing nobody, one person at a time.
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08-21-10, 10:37 PM #2
I have been using this one. Good app.
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